package cn.teamwork.ssm.interceptor;

import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

public class CoreInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {

        HttpSession session = request.getSession();
        Long id = (Long) session.getAttribute("UID");
        if (id == null || id < 1) {
            response.sendRedirect("/login");
            return false;
        }
        return true;
    }
}
